Heat 1 oz vegetable oil in small pan over medium heat until hot. Add 1 oz potato mixture; flatten with back of spatula (or flatten beforehand and gently transfer to hot oil). Continue to form the cakes in the pan, do not crowd while coking. Cook 2 to 3 minutes on each side or until golden brown. Cool. Cover and refrigerate until ready to use.

Carve veal across the grain into 1/4-inch slices. Place napoleons on plate. Fan beans away from napoleons. Shingle veal slices where beans and napoleons meet. Drizzle 1 oz mushroom demi-glace on and around veal.